Base map of the natural resources - fundamental map of GISKask, Rein; Viru, Rein; Potter, HeikkiGIS-Baltic Sea States '93 : exhibition, conference, Tallinn, Estonia, 29 November - 1 December 1993 : abstract book, catalogue1993 / p. 72-73

The base map of natural resources of EstoniaKask, Rein; Viru, Rein; Potter, HeikkiGIS-Baltic Sea States '93 : exhibition, conference, Tallinn, Estonia, 29 November - 1 December : proceedings1994 / p. 287-293: ill